Internet Telephony PBX System
IPX-330/IPX-2100
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User can create dial rule for dial plan on this page:
The calling rules in the left column are for external calls and calling rules in the right column
are for internal calling. If you want to restrict some uses from calling out through some trunk
lines or you don’t want them be able to call some internal destinations, you can create new dial
plan by clicking the “New DialPlan” button.
In the new dial plan you disable the rules you don’t want others to use and save. After this on
the extension configure page give them different dial plans then they have different dial
permissions